<style>
    .mailbox-attachments li{width: 202px;}
    .mailbox-attachment-info{text-align: center}
    .box{height: 100%}
</style>

<div class="box">
    <!-- /.box-header -->
    <div class="box-body">
        <ul class="mailbox-attachments clearfix">
            @foreach($grid->rows() as $row)
                <li>
                    <span>
                        {!! $row->column('image') !!}
                    </span>
                    <div class="mailbox-attachment-info">
                        {!! $row->column('username') !!}
                    </div>
                </li>
            @endforeach
        </ul>

    </div>
    <div class="box-footer clearfix">
        {!! $grid->paginator() !!}
    </div>
    <!-- /.box-body -->
</div>